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Fix summary stats return logic #716

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merged 1 commit into from
Oct 15, 2025
Merged

Fix summary stats return logic #716

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8 changes: 7 additions & 1 deletion src/mdio/segy/_workers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,9 +158,15 @@ def trace_worker( # noqa: PLR0913
data_array[region_slices] = tmp_samples

nonzero_samples = np.ma.masked_values(traces.sample, 0, copy=False)

nonzero_count = nonzero_samples.count()
if nonzero_count == 0:
# Return None to avoid calculating a NaN in sum_squares
return None

histogram = CenteredBinHistogram(bin_centers=[], counts=[])
return SummaryStatistics(
count=nonzero_samples.count(),
count=nonzero_count,
min=nonzero_samples.min(),
max=nonzero_samples.max(),
sum=nonzero_samples.sum(dtype="float64"),
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